\"\"

\

The difference is \"\".

\

Additive inverse of – 4 is 4.

\

To subtract 4 , add – 4.

\

Now, the expression becomes \"\"

\

\"\"                                                 (Add: \"\")\"\"

\

The difference is \"\".

\

 

\

\"\"

\

The difference is \"\".

\

Additive inverse of – 4 is 4.

\

To subtract 4 , add – 4.

\

Now, the expression becomes \"\"

\

\"\"                                                 (Add: \"\")\"\"

\

The difference is \"\".

\